Debian: New jailer packages fix denial of service

    Date29 Nov 2008
    CategoryDebian
    3804
    Posted ByLinuxSecurity Advisories
    Javier Fernandez-Sanguino Pena discovered that updatejail, a component of the chroot maintenance tool Jailer, creates a predictable temporary file name, which may lead to local denial of service through a symlink attack.
    - ------------------------------------------------------------------------
    Debian Security Advisory DSA-1674-1                  This email address is being protected from spambots. You need JavaScript enabled to view it.
    http://www.debian.org/security/                       Moritz Muehlenhoff
    November 30, 2008                     http://www.debian.org/security/faq
    - ------------------------------------------------------------------------
    
    Package        : jailer
    Vulnerability  : insecure temp file generation
    Debian-specific: no
    CVE Id(s)      : CVE-2008-5139
    Debian Bug     : 410548
    
    Javier Fernandez-Sanguino Pena discovered that updatejail, a component
    of the chroot maintenance tool Jailer, creates a predictable temporary
    file name, which may lead to local denial of service through a symlink
    attack.
    
    For the stable distribution (etch), this problem has been fixed in
    version 0.4-9+etch1.
    
    For the upcoming stable distribution (lenny) and the unstable
    distribution (sid), this problem has been fixed in version 0.4-10.
    
    We recommend that you upgrade your jailer package.
    
    Upgrade instructions
    - --------------------
    
    wget url
            will fetch the file for you
    dpkg -i file.deb
            will install the referenced file.
    
    If you are using the apt-get package manager, use the line for
    sources.list as given below:
    
    apt-get update
            will update the internal database
    apt-get upgrade
            will install corrected packages
    
    You may use an automated update by adding the resources from the
    footer to the proper configuration.
    
    
    Debian GNU/Linux 4.0 alias etch
    - -------------------------------
    
    Stable updates are available for alpha, amd64, arm, hppa, i386, ia64, mips, mipsel, powerpc, s390 and sparc.
    
    Source archives:
    
      http://security.debian.org/pool/updates/main/j/jailer/jailer_0.4-9+etch1.diff.gz
        Size/MD5 checksum:    27372 403ad34e153f4dbc14621b2bca464487
      http://security.debian.org/pool/updates/main/j/jailer/jailer_0.4.orig.tar.gz
        Size/MD5 checksum:    27920 a6bead6286022c54e73bfe1f51e5e5f3
      http://security.debian.org/pool/updates/main/j/jailer/jailer_0.4-9+etch1.dsc
        Size/MD5 checksum:      599 2a59c032c5da19b3443c0bd5c573a6e6
    
    Architecture independent packages:
    
      http://security.debian.org/pool/updates/main/j/jailer/jailer_0.4-9+etch1_all.deb
        Size/MD5 checksum:    11688 8e042e660665df9b8657399ec3845cc8
    
    
      These files will probably be moved into the stable distribution on
      its next update.
    
    - ---------------------------------------------------------------------------------
    For apt-get: deb http://security.debian.org/ stable/updates main
    For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
    Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.
    
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